Minimum reduce operations to convert a given string into a palindrome | C # program to count minimum reduce operations to make a palindrome ; Returns count of minimum character reduce operations to make palindrome . ; Compare every character of first half with the corresponding character of second half and add difference to result . ; Driver code
using System ; class GFG { static int countReduce ( string str ) { int n = str . Length ; int res = 0 ; for ( int i = 0 ; i < n / 2 ; i ++ ) res += Math . Abs ( str [ i ] - str [ n - i - 1 ] ) ; return res ; } public static void Main ( ) { string str = " abcd " ; Console . WriteLine ( countReduce ( str ) ) ; } }